president kennedy was killed while riding in a motorcade in downtown dallas texas, in 1963. a faithful day. hospital of people can remember what they were doing when they found out what happened. after the assassination, police arrested lee harvey oswald. oswald was himself shot and killed two days later while being transported to jail. >>> u.s. ambassador total united nations, suzy rice is defending her first account of the attack on the u.s. consulate in libya. >> i relied solely and squarely on the information provide to me by the intelligence community. i made clear that the information was preliminary. and that our investigations would give us the definitive answers. >> initially , rice had attributed the attack on the u.s. consulate to a mob angry about an anti muslim video, and not a terrorist attack. much of the criticism about the explanation for the attack has been directed at rice, because she is believed to be obama's top chows to replace hillary clinton. >>> we're learning more about the tress of -- investigation of david petraeus, investigators want to know if